Home / 14,192,288.76-19,585,366.32-7,665,918.18

Finding the Fourth Proportional to 14,192,288.76, 19,585,366.32 and 7,665,918.18

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Solution

The fourth proportional to 14,192,288.76, 19,585,366.32 and 7,665,918.18 is: 10,578,971.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,192,288.76 : 19,585,366.32 = 7,665,918.18 : x
  2. Step 2: Convert to fraction form
    14,192,288.76/19,585,366.32 = 7,665,918.18/x
  3. Step 3: Cross multiply
    14,192,288.76x = 19,585,366.32 × 7,665,918.18
  4. Step 4: Simplify right side
    14,192,288.76x = 150,139,815,734,447.69
  5. Step 5: Solve for x
    x = 150,139,815,734,447.69/14,192,288.76
  6. Step 6: Final answer
    x = 10,578,971.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.